Horton

Re: introduce dynamic shared memory registry

Nathan Bossart <nathandbossart@gmail.com>

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From: Nathan Bossart <nathandbossart@gmail.com>
To: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Abhijit Menon-Sen <ams@toroid.org>, Michael Paquier <michael@paquier.xyz>, Robert Haas <robertmhaas@gmail.com>, pgsql-hackers@postgresql.org
Date: 2024-01-23T02:46:52Z
Lists: pgsql-hackers 
On Mon, Jan 22, 2024 at 05:00:48PM +0530, Bharath Rupireddy wrote:
> On Mon, Jan 22, 2024 at 3:43 AM Nathan Bossart <nathandbossart@gmail.com> wrote:
>> Oops.  I've attached an attempt at fixing this.  I took the opportunity to
>> clean up the surrounding code a bit.
> 
> The code looks cleaner and readable with the patch. All the call sites
> are taking care of dsm_attach returning NULL value. So, the attached
> patch looks good to me.

Committed.  Thanks for the report and the reviews.

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com

Commits

  1. Fix possible NULL pointer dereference in GetNamedDSMSegment().

  2. Teach autoprewarm to use the dynamic shared memory registry.

  3. Introduce the dynamic shared memory registry.

  4. doc: Reorganize section for shared memory and LWLocks.